This is an open channel with flat top edge for Flow Over A Notch experiment on HB 100G Hydraulics Bench gravimetric or HB 101 Basic Hydraulics Bench.

The unit is to be placed on top of HB 100G or HB 101. Water is admitted to the channel via a discharge diffuser and passes through a perforated sheet. Water is discharged over a detachable weir plate to the end section before draining to the storage tank. A hook and point gauge is placed on the channel top edge for water level measurement. The channel has adjustable footings.